Update test.yaml

Author: jph00

.github/workflows/test.yaml

@@ -8,7 +8,7 @@ on:
 jobs:
   test:
     strategy:
-      fail-fast: false
+      fail-fast: true
       matrix:
         os:  [ubuntu, macos]
         version: ["3.7", "3.8", "3.9", "3.10"]